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Lower Powell Green Street and Sewer Repair Project

Construction Starts in fall 2015

Environmental Services will replace and repair 4,500 feet of sewer pipe that is over 100 years old and in poor condition, construct 22 green street facilities and plant 11 trees to absorb rain and reduce stormwater runoff. The project will keep about 1.6 million gallons of stormwater out of sewers annually, increase sewer system capacity and reduce the risk of basement backups. This project is part of the Tabor to the River Program, which combines green infrastructure with pipe repair to save Portland sewer ratepayers more than $60 million dollars.

Night Work

Due to high traffic volume during the day, Environmental Services applied for a variance from the Portland Noise Office to allow overnight construction on several streets within the project area (see map below). After review by the Noise Review Board the variance was granted with special conditions to minimize impact on nearby residents. The map below shows the locations of night work. All other parts of the project will be during daytime construction hours.

This map is not to scale and is meant to show the proposed work at the general location.

The primary construction method that will be used at night is open trench excavation that includes the use of pavement saw cutters, whisper bypass pumps, generators, lights, dump trucks, front end loaders, track hoes, cranes, and pavement rollers. Below are the locations and estimated durations of open trench construction at night.

Louder tasks will be completed before midnight when possible. Construction hours and duration of night construction are tentative and subject to change. More information about construction methods can be found online at http://www.portlandoregon.gov/bes/methods.

Email Updates

To receive the most timely updates, which are especially useful during construction, please add your name to the project email list by emailing your name to Matt Gough with “Powell” in the subject line. If you already receive emails on this project you don’t need to sign up again.